Triangle Congruence
Classify: Triangle with at least 2 equal sides.
Isosceles Triangle
Original points: A (1,2) B(4,2) C (8,1)
Prime points: X(-1,-2) Y(-4,-2) Z (-8,-1)
Describe the type of transformation taking place.
Rotation 180 degrees
Y (8,2)
Z(5,3)
Find the distance of YZ
3.16
A ( 0,2) B (6,1)
Find the slope
-1/6
Triangle; Given: A (90 degrees) B (4x+2) C (2x+6)
Find the value of angle B,C
B (approximately 57) C (approximately 33)
Rotate points A (3,4) B (2,-5) C (9,2) 270 degrees clockwise
B (4,-3) C (-5,-2) D (2,-9)
Consider triangle ABC an isosceles triangle
side: A- 20yd side B- 2x+9 side3 (bottom): 25yds
Find the value of x
x= 11/2 or 5.5
A (4,5) B (7,8) C(2,1) D (0,8)
Find the slope of AD
-3/4
angle A: 48 degrees , angle B:right, angle C: x+2
Find the value of x
40/3 or 13.33
rotate points A(0,6) B (8,5) C (2,15) 90 degrees clockwise
X (6,0) Y (5,-8) Z (15,-2)
Consider an equilateral triangle
side A: 18 ft, side B: , side C:
Find the value of side B and side C
18 ft ,18 ft
G (7,4) H (2,5) I (1,4) J (8,1)
Find GH
square root of 26
angle A: 16 , angle B: y , angle C: blank
angle X: blank, angle Y: 58 , angle Z: right angle
If triangle ABC and XYZ are identical, congruent triangles. What is the value of y?
58 degrees
rotate points B (8,2 ) C (6,3) D (2,-2) 180 degrees
X (-8,-2) Y (-6,-3) Z (-2,2)
Consider a right triangle
angle A: 36, angle B: , angle C: x
Find the value of angle B; Find the value of x
90; 54 degrees
A (6,2) B (1,3) C (4,5) D (0,6)
Find BC
square root of 13
Name the 3 classifications of a triangle AND how to identify them
scalene: no sides equal , isosceles: at least 2 sides equal, equilateral : all sides equal
rotate A (5,2) B (1,4) C (9,0) 90 degrees counterclockwise
X (-2,5) Y (-4,1) Z (0,9)
Consider an equilateral triangle ABC
angle A: 60 , angle B:blank, angle C: 4x+12
Find the value of x
x= 12
X (7,2) Y (5,8) Z (1,6)
Write out the Pythagorean theorem; find the distance: XY
square root: (x2 - x1)+ (y2- y1) ; square root of 40